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Basic Math Skills

Basic Math Skills. Lesson 3: Measuring and Constructing Angles p. 164-167. Protractor: a tool used to draw or measure angles. Definitions. Inside scale from 0 o to 180 o going in an anti-clockwise direction.

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Basic Math Skills

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  1. Basic Math Skills Lesson 3: Measuring and Constructing Angles p. 164-167

  2. Protractor: a tool used to draw or measure angles Definitions

  3. Inside scale from 0o to 180o going in an anti-clockwise direction. Outside scale from 0o to 180o going in a clockwise direction. Using a protractor

  4. You need to be able to measure an angle to the nearest degree. To help you do this you should always: 1. Look directly down onto the cross point. 2. Always use the protractor in a horizontal manner as shown below. 

  5. 1 0 on the inside so use inside scale 2 0 on the outside so use outside scale Measuring Angles with a 180o Protractor 50o 67o

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